flush function

Implementation

void flush() {
  while (queuedEffects != null) {
    final effect = queuedEffects!;
    if ((queuedEffects = effect.nextEffect) != null) {
      effect.nextEffect = null;
    } else {
      queuedEffectsTail = null;
    }

    run(effect, effect.flags &= -65 /* ~Queued */);
  }
}